EP0481336A3 - Free float steam trap - Google Patents

Free float steam trap Download PDF

Info

Publication number
EP0481336A3
EP0481336A3 EP19910117166 EP91117166A EP0481336A3 EP 0481336 A3 EP0481336 A3 EP 0481336A3 EP 19910117166 EP19910117166 EP 19910117166 EP 91117166 A EP91117166 A EP 91117166A EP 0481336 A3 EP0481336 A3 EP 0481336A3
Authority
EP
European Patent Office
Prior art keywords
steam trap
free float
float steam
free
trap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910117166
Other versions
EP0481336A2 (en
EP0481336B1 (en
Inventor
Tadashi Oike
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TLV Co Ltd
Original Assignee
TLV Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2276710A external-priority patent/JP2524885B2/en
Priority claimed from JP2276705A external-priority patent/JP2565797B2/en
Application filed by TLV Co Ltd filed Critical TLV Co Ltd
Priority to EP19930116279 priority Critical patent/EP0581336B1/en
Publication of EP0481336A2 publication Critical patent/EP0481336A2/en
Publication of EP0481336A3 publication Critical patent/EP0481336A3/en
Application granted granted Critical
Publication of EP0481336B1 publication Critical patent/EP0481336B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
    • F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
    • F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
    • F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
    • F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
    • F16T1/22—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats of closed-hollow-body type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3003—Fluid separating traps or vents
    • Y10T137/3021—Discriminating outlet for liquid
    • Y10T137/304—With fluid responsive valve
    • Y10T137/3052—Level responsive
    • Y10T137/3068—Float
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/3003—Fluid separating traps or vents
    • Y10T137/3021—Discriminating outlet for liquid
    • Y10T137/304—With fluid responsive valve
    • Y10T137/3052—Level responsive
    • Y10T137/3068—Float
    • Y10T137/3074—With outlet extending above liquid in trap
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/7313—Control of outflow from tank
    • Y10T137/7323—By float
    • Y10T137/7326—Low level safety cut-off
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/794—With means for separating solid material from the fluid
    • Y10T137/8085—Hollow strainer, fluid inlet and outlet perpendicular to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Float Valves (AREA)
  • Details Of Valves (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Measurement Of Radiation (AREA)
  • Lift Valve (AREA)
  • Check Valves (AREA)
EP19910117166 1990-10-15 1991-10-09 Free float steam trap Expired - Lifetime EP0481336B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19930116279 EP0581336B1 (en) 1990-10-15 1991-10-09 Free float steam trap

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP276710/90 1990-10-15
JP2276710A JP2524885B2 (en) 1990-10-15 1990-10-15 Free-float steam trap
JP276705/90 1990-10-15
JP2276705A JP2565797B2 (en) 1990-10-15 1990-10-15 Free float steam trap

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP93116279.6 Division-Into 1993-10-08

Publications (3)

Publication Number Publication Date
EP0481336A2 EP0481336A2 (en) 1992-04-22
EP0481336A3 true EP0481336A3 (en) 1992-07-01
EP0481336B1 EP0481336B1 (en) 1995-04-26

Family

ID=26552071

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19930116279 Expired - Lifetime EP0581336B1 (en) 1990-10-15 1991-10-09 Free float steam trap
EP19910117166 Expired - Lifetime EP0481336B1 (en) 1990-10-15 1991-10-09 Free float steam trap

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19930116279 Expired - Lifetime EP0581336B1 (en) 1990-10-15 1991-10-09 Free float steam trap

Country Status (11)

Country Link
US (2) US5186203A (en)
EP (2) EP0581336B1 (en)
KR (2) KR950001120B1 (en)
CN (1) CN1027311C (en)
AU (2) AU633763B2 (en)
BR (1) BR9104495A (en)
CA (1) CA2053391C (en)
DE (2) DE69113064T2 (en)
DK (2) DK0481336T3 (en)
ES (2) ES2077460T3 (en)
NO (1) NO178645C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5542450A (en) * 1994-06-10 1996-08-06 The Lubrizol Corporation Apparatus for metering fluids
US5797426A (en) * 1997-04-10 1998-08-25 Powell; Edwin O. Check valve and trap assembly
US6302136B1 (en) 1997-06-27 2001-10-16 3M Innovative Properties Company Steam valve
JP2954183B1 (en) * 1998-07-17 1999-09-27 株式会社ミヤワキ Steam trap inspection method, inspection apparatus and management system
AU2003224424A1 (en) 2002-06-12 2003-12-31 Engineers India Limited Improved steam trap device
US7571739B2 (en) * 2005-12-16 2009-08-11 Steam Tech, Inc. Condensate removal device
EP2119948B1 (en) * 2007-03-06 2018-12-26 TLV Co., Ltd. Float type valve device and method of cleaning float type valve device
BRPI0817365B1 (en) * 2007-11-07 2019-10-22 Multi Holding Ag connector and method for mounting a connector
JP2010249414A (en) * 2009-04-15 2010-11-04 Tlv Co Ltd Heat exchanger
US7931046B1 (en) 2010-01-27 2011-04-26 Vallery Stafford J Steam trap with inverted bucket float
GB2478536B (en) * 2010-03-08 2012-06-20 Gardner Energy Man Ltd Condensate removal device
JP2013245760A (en) * 2012-05-25 2013-12-09 Tlv Co Ltd Float type drain trap
CN107560249A (en) * 2017-09-06 2018-01-09 同方节能装备有限公司 A kind of refrigerant ball-cock assembly
MX2023007377A (en) * 2020-12-25 2023-07-04 Tlv Co Ltd Valve device.
CN114199324B (en) * 2022-01-10 2024-05-24 毕托巴科技股份有限公司 Automatic sealing flow sensor
DE102022131861A1 (en) 2022-12-01 2024-06-06 Hps Home Power Solutions Ag Condensate drainage device and method for its operation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR601723A (en) * 1925-08-07 1926-03-06 Condensation water trap
FR1543041A (en) * 1966-11-29 1968-10-18 Free-float steam traps for steam engines
US3785555A (en) * 1972-09-06 1974-01-15 K Fujiwara Steam trap of the free float type
GB2000274A (en) * 1977-06-20 1979-01-04 Tlv Co Ltd Float type steam trap
US4623091A (en) * 1984-03-22 1986-11-18 Marcel Stein Integrated float and thermostatic steam trap
FR2587443A1 (en) * 1985-09-17 1987-03-20 Tlv Co Ltd DEVICE FOR SEPARATING AND CONDUCTING CONDENSATES
DE3534932A1 (en) * 1985-10-01 1987-04-02 Festo Kg DEVICE FOR SEPARATING LIQUIDS, e.g. CONDENSATE, FROM COMPRESSED GAS LIKE COMPRESSED AIR

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE15114C (en) * L. reuter, i. f. reuter & straube, in Halle a. Saale Innovations in DEHNE's condensation water drain
US1566238A (en) * 1920-03-13 1925-12-15 Joseph E Swendeman Steam trap
US2117056A (en) * 1935-02-15 1938-05-10 American Distr Steam Company Steam trap
DE949345C (en) * 1952-03-30 1956-09-20 Gerdts Gustav F Kg Steam trap
US3489164A (en) * 1966-11-29 1970-01-13 Katsuji Fujiwara Free float type steam trap
US3489348A (en) * 1967-01-11 1970-01-13 Katsuji Fujiwara Free float steam trap
JPH02102995A (en) * 1988-10-13 1990-04-16 Tlv Co Ltd Trap and manufacture thereof
JPH02125197A (en) * 1988-11-01 1990-05-14 Tlv Co Ltd Steam trap with valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR601723A (en) * 1925-08-07 1926-03-06 Condensation water trap
FR1543041A (en) * 1966-11-29 1968-10-18 Free-float steam traps for steam engines
US3785555A (en) * 1972-09-06 1974-01-15 K Fujiwara Steam trap of the free float type
GB2000274A (en) * 1977-06-20 1979-01-04 Tlv Co Ltd Float type steam trap
US4623091A (en) * 1984-03-22 1986-11-18 Marcel Stein Integrated float and thermostatic steam trap
FR2587443A1 (en) * 1985-09-17 1987-03-20 Tlv Co Ltd DEVICE FOR SEPARATING AND CONDUCTING CONDENSATES
DE3534932A1 (en) * 1985-10-01 1987-04-02 Festo Kg DEVICE FOR SEPARATING LIQUIDS, e.g. CONDENSATE, FROM COMPRESSED GAS LIKE COMPRESSED AIR

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 14, no. 311 (M-994)(4254), 4th July 1990; & JP-A-2 102 995 (TLV CO., LTD) 16-04-1990 *
PATENT ABSTRACTS OF JAPAN, vol. 14, no. 355 (M-1004)(4298), 31st July 1990; & JP-A-2 125 197 (TLV CO., LTD) 14-05-1990 *

Also Published As

Publication number Publication date
EP0581336A2 (en) 1994-02-02
BR9104495A (en) 1992-06-09
NO178645B (en) 1996-01-22
DK0581336T3 (en) 1996-01-22
AU645221B2 (en) 1994-01-06
EP0581336B1 (en) 1995-09-13
NO914026L (en) 1992-04-21
AU8573491A (en) 1992-05-28
US5186203A (en) 1993-02-16
ES2077460T3 (en) 1995-11-16
KR920008401A (en) 1992-05-27
DE69113064D1 (en) 1995-10-19
DE69109227T2 (en) 1995-10-26
AU633763B2 (en) 1993-02-04
CA2053391C (en) 1995-06-06
EP0481336A2 (en) 1992-04-22
NO178645C (en) 1996-05-02
KR950001120B1 (en) 1995-02-11
EP0481336B1 (en) 1995-04-26
DE69113064T2 (en) 1996-02-01
DK0481336T3 (en) 1995-09-04
CN1060903A (en) 1992-05-06
NO914026D0 (en) 1991-10-14
CA2053391A1 (en) 1992-04-16
EP0581336A3 (en) 1994-03-16
DE69109227D1 (en) 1995-06-01
ES2073087T3 (en) 1995-08-01
US5287878A (en) 1994-02-22
CN1027311C (en) 1995-01-04
AU2810892A (en) 1992-12-24
KR950001121B1 (en) 1995-02-11

Similar Documents

Publication Publication Date Title
EP0477128A3 (en) Flexible drainage trap
EP0481336A3 (en) Free float steam trap
GB8925997D0 (en) Water trap
GB2138123B (en) Steam trap
HK1006871A1 (en) Thermally-actuated steam trap
GB9009356D0 (en) D/p water conserver-feeder
HK1006870A1 (en) Thermally-actuated steam trap
GB2216558B (en) Water trap
GB9125886D0 (en) Steam trap installation
ZA822744B (en) Steam trap
GB2119498B (en) Float-controlled steam trap
ZA918162B (en) Free float steam trap
GB9010667D0 (en) Float
GB2243205B (en) Boiler
GB2256472B (en) Condensate traps
GB2241568B (en) Boilers
GB2241569B (en) Boilers
GB9022462D0 (en) Level
GB9002747D0 (en) Auto-draining condensate trap
GB2247708B (en) Marine trap
GB8901810D0 (en) Water traps
AU110613S (en) Trap
GR2000753Y (en) Closed water boiler
AU112828S (en) Water well
EP0483678A3 (en) Steam boiler

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19911009

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE CH DE DK ES FR GB IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH DE DK ES FR GB IT LI NL SE

17Q First examination report despatched

Effective date: 19930608

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE DK ES FR GB IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19950426

Ref country code: CH

Effective date: 19950426

XX Miscellaneous (additional remarks)

Free format text: TEILANMELDUNG 93116279.6 EINGEREICHT AM 09/10/90.

REF Corresponds to:

Ref document number: 69109227

Country of ref document: DE

Date of ref document: 19950601

ITF It: translation for a ep patent filed
ET Fr: translation filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2073087

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20091014

Year of fee payment: 19

Ref country code: ES

Payment date: 20091028

Year of fee payment: 19

Ref country code: DK

Payment date: 20091014

Year of fee payment: 19

Ref country code: DE

Payment date: 20091028

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20091016

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20091022

Year of fee payment: 19

Ref country code: FR

Payment date: 20091110

Year of fee payment: 19

Ref country code: IT

Payment date: 20091029

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20091130

Year of fee payment: 19

BERE Be: lapsed

Owner name: *TLV CO. LTD

Effective date: 20101031

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20110501

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20101009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101102

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101031

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110501

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101009

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69109227

Country of ref document: DE

Effective date: 20110502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101031

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20111118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101009

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20101010

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110502